Chichigin Andrey

From Odintsovo, Russia

EMA: 15990028

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

82 place (390.55).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (40 * 4.20 * 0.29 + 140.19 * 4 * 0.86 + 156.86 * 3.05 * 1 + 686.27 * 3.05 * 1 + 726.32 * 3.85 * 1) / (4.20 * 0.29 + 4 * 0.86 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 404.47060502087345

p2 = (726.32 * 3.85 * 1 + 686.27 * 3.05 * 1 + 140.19 * 4 * 0.86 + 156.86 * 3.05 * 1) / max_coefficients = 376.63313670436105

score = 404.47060502087345 * 0.5 + 376.63313670436105 * 0.5 = 390.55187086261725

Rating changes

Show

all results
Date Place Points Reason
2024-09-03 83 -> 82 381.37 -> 390.55

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 112 -> 83 233.21 -> 381.37

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 112 232.11 -> 233.21
2024-08-04 107 -> 112 236.26 -> 232.11
2024-07-14 102 -> 107 236.26
2024-07-06 103 -> 102 231.98 -> 236.26

IX Russian Riichi Championship: 43% -> 29%
2024-06-11 104 -> 103 264.13 -> 231.98
2024-06-09 95 -> 104 256.93 -> 264.13

Agari Summer Tournament 2024: 0% -> 100%
2024-05-12 73 -> 95 277.03 -> 256.93
2024-05-06 75 -> 73 267.88 -> 277.03

IX Russian Riichi Championship: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 726 2024-09-01 27/96 100% 3.85 RR SPB Riichi Open 2024
2 157 2024-06-09 44/52 100% 3.05 RR Agari Summer Tournament 2024
3 686 2024-03-10 17/52 100% 3.05 RR Agari Spring Tournament 2024
4 140 2023-09-03 93/108 86% 4.00 RR SPB Riichi Open 2023
5 40 2022-11-06 73/76 29% 4.20 RR IX Russian Riichi Championship
6 811 2022-06-12 22/112 0% 4.05 RR Moscow Riichi 2022
7 191 2021-12-19 39/48 0% 3.10 RR Agari team tournament
8 452 2020-01-26 18/32 0% 2.70 RR The last chance: back to 2019
9 198 2019-12-15 90/112 0% 4.05 EMA VIII Russian Riichi Championship
10 683 2018-12-16 21/64 0% 3.45 EMA White Dragon Tournament